Skiving machine



Oct. 9, 1923.

' E. J. RAY

SKIVING MACHINE Filed Ju'ly 23 Sheetsf-Sheet 1 E l l l I I I l I l I IE. J. RAY

` sKIvING MAcHNE Filed July 23. 1921 2 sheets-sheetr 2 Oct. 9 1923'JERSEY;

GENE

.Be it knownthatt 1 EU a @im (the` accompanyingdrawings, is-A apeeifiqif-- time like rfer-elleecherac'ters"011th 1 mel-Chine Suchmeehiiies eoimsniyeomprm illustrative machine? take 'theaV form- Vriifie` e driven 1011131. T he 'driven preseeri i'Qll'f Coni:

' -Stuic'tioni use@ prineipllyfor slrriving'the `edges ofeomparetivelyshi pieeesofwwork eensidereb1edifeu1ty basil-been experienced with s uehmachines Work because-the v theconvex urve o'f the edgesrfofgwhieh farevgradual rather thanl sharp, Nevertheles,

"f-113, 'which jrot'zifced m Jul-ley 'Y thefangle "Of the fscarjfProduced Whiletill FHM scarf en the Ow romefacbinpe 551i@ Vthe presentiin i ence ismade to the'patent fordetailslof confstruction. fItiWill beunderstood, however,

able.

jing by the operator.

that Vthe "Work is; seized by theA feed andY y roll ll1. In order tolock-the shaft lllrrof the pinion 39 in adjusted position,a"y plate 45,1which closes thecavity in the bloc-lr. 19in which the pinion 39Vismounted, is engaged by thestem of a lock-nut 47 which is thready i Yedon the endof thegshaft 41. With this cen- ,7 ,y v g presser rolls andadvanced to theknife.

' e Whenthe margin'of a heavypieceof WorkY suchasa box toeis to,Vbeslriv ed, itis desir- A able to substitute yfor nthe stationarypresser foot of the patentedmachine a drivenro'll;

and, in order to permit the angle of the' scarf to bevaried,this rollYis made adjust- The construction shouldV also be such that the Workwill' requirelittle or noguid- Referring nowV more-Ypartioularly`toFigi2, the presserrroll 11 is largeIv-at tha'tendadjacent thefedgev age Y and small at theoppos'itefend', the perip eryVof--thef roll being concavely curved 'longi- 'tudinallyto correspond togtheconvex `longi- 'tudinalf curvature. of' the I peripheryll of theVThe `purpose of-"these cor`n-v feedV AVroll 19.

,Y -fplemental curvesis tocause theprodution of ascarfgrwhich"is'straightor'flat as dis-Y tinguishedflfrom'one Vfvvhiehvis curved or properly presented to the machine. ln other Y Words,"theedge ofthe Work should 'remain at all 'times'in Contact with the edgegage; It should.Y neither be Vcrovvded against the vedge gage tooforcibly nor causedfto leave In the: illustrative machine the` the gage.

Y middle of the axis of thefeed -roll is indicated atv 27, a verticalplane passed transversely of the roll throughrthis point intersectingthefperipliery o f theroll at approximately its largest diameter andconsequently inthe zonein Which the peripheryis moving fromfthefirst-mentioned vertical plane. Y The larger end ofthefpresser roll,therefore,

, vvhich vis Vthe faster moving end `of that roll l AAco-operates withthe feed roll ata zonewhich is not travelingas fast asis the middlezoneV *of the feedfroll. YWith this construction and the work willvbe'ffed'properly through theV relative location oftherolls it is foundthat machine with itsredge in Contactv vviththe edge gage 17,-V Y YVV'l`he-spindl`e of the presser roll is rotatablyl mounted .in a sleeve29 Which has integral upon an arci-shaped ledge or guideway 37 formed atthe lower end of therblock 19.

' Meshingjwitlrtheysegmental' rack-33 is a y 2V pinion a9. kThisV pinionis new@ Shaft 41- ':ivhich is rotatably mounted in thelb'lock 19, saidshaftk having fast to it a smallliand- .ters Patent of the `UnitedStates is; faster than at the ends. rlhe presser'roll 1:1 1 is selocated that'avertical plane A passed Vtransverselyofth'at roll throughits largerV V end is substantially parallel to but 'spaced' yineens@ berotatedto changeltheangular position of I the sleeve 29 and consequentlyof the presser"V 43, the presser roll-llmay be adjusted angu-V jV i i iany. This adjustmentrtakes 101210e about a POint or aXs- Jc9vvhich isin'orrintersectstlie 1 l Y axis ofthe presser -roll 7 and also lies'.substantially in thexvertical planeA, the center",A of curvature Vof thearc-shaped ledge on vvh'ichfthe segmentalraclr 33 Vbears bei/ng'thef Y ip'oint'or'axis'llfpii I V In'order to drive the pres'svcrrollell in itsvariousV adjustedpositions, `one end Vof the stem'of 'thisfroll isenlarged and vprovided vvithga vsoclretto-recei'vega ball on thefendpof'a "linlrl, YV'The'othenendfof, the linllias a Y' similar ballyvhi'ch`isreceived in a 'socket-in Y,

one endfo'f a shaft 53 to the otheri'endof Y Whichris fast a'pulleyV55.' Afb'el't Tpa'sses i, i aroundxthis pulley andi around a pulley^59V on one end of a shaft'l.;V The other end of Ythis lattershaftcarries a bevel gear vvhich Velo"A meshes with a bevel pinion .6K5 onone endfof i al shaft 67 the other end Vof Which carries a Y* pulley 69,said pulley being connected-by a belt 7l with a pulley 73 fast toorrigid with a pulley 15 driven by a belt froma pulley 56 on the shaft 13.K Y

Having thus described my invention, -What I claimiasnew and desire tosecurelby Let-V Y Y i1; A` machine of the class "described, hav-k ing incombination, a rotary cylindrical` knife, a rotary feed roll having aperiphery which isconvex longitudinally ofthe roll,

atrotary'prefsser rollihaving af'large end'randl afsmall end, theperiphery ofthe presser roll periphery-of the Y feedroll," the large endof the presser roll being locatedfabovejthe feed roll and at one side'of a vertioalplane passed,

ies

transversely throughft'hecenter'ofthefeed roll and having its smallerendV extending over thesmaller end'of'- the feedlrolhanedge 'if Vgagelocated adjacent'the largerL- end vof the v1 presser roll, and meanslfor'.V dljivin-gfgthe presser roll. r Y f- Y -Y 2. A machine'ofthe,classidescribed,hav;A ing in combination, a vrotary cylindrical*knife, a rotary feed roll having a peripheryVV `which is-convex`longitudinally of tli'ezr`oll,.a

rotary. presser roll haying a large end'and ai! 'Y 4small'endg'theperipheryofthepresserrolljY V; beingV concave longitudinally to-Vc'irre'spondV Y Pto the'convex longitudinali'curvatureofzthe periphery'of @the feed roll, the *larger-"end ofv leo the presser lrollbeinglocatedabove the feed roll and atoneside of a verticalplane j passedtransversely through the center of" about a point lying Within said rolland near ythe larger end thereof, and means for drivev ing thepresserroll.

3. A machine of theclass descr1bed,1hav.

ing in combination, a j rotary cylindrical knife, a. rotary feed rollhaving av periphery a rotary presser roll'having a large end and a smallend, the'periphery of the presser roll being concave'longitudinally tocorrespond'v to the convex longitudinal 4curvature of the vperipheryofthe feedfroll'the large end-,of

the presser roll being locatedfabovethe'feedj'i roll and atA one sideyof a vertical plane passed transversely l.through `the' center of thefeed roll, an edge gage-located adjacent the larger end ofthe presserroll7 means f lwhereby the presser roll may be adjusted about Ya pointlying substantially'in the axis of said roll and near thelarger endl thereo fv and means for driving the presser roll. A

'4'.V Av machine of the class'described, hav; ing in combination, arotaryY cylindrical kn'ife,'a rotary feed' roll having a periphery`which isconvex longitudinally of the roll, arotary presser roll theperipheryk of whlch ,is concavely curved' to correspond vto the convexlongitudinal curvature of the feed roll, said presser' roll being larger`at one end than at the other,rmeans whereby the presser roll may beadjusted abouta point within the roll at` the larger end thereof, saidpoint lyingin a vertical plane which lintersects the feed rollvtransversely. at a locality ,between one. end and the middle.

thereof and means Vfor driving the presser roll. *i

5.A machine ofthe class described, hav-v ing Vin, combination, a rotarycylindrical knife, a rotary feed Vroll having a periphery which isconvex longitudinally of the,` roll,

v Y l a rotary presser roll the periphery of which' Y is concavelycurvedto correspond to the convex longitudinal curvature of the feed roll,said presser roll being larger at oneend than lat the other, meanswhereby kthe presser roll means for driving Ythe presserY roll.

6. A machine of4 the dass described, im. j ing in combinatiomjav rotarycylindrical knife, a'rota'ry feedfroll vthe peripheryof' "jggl 'imay beadjusted-fabout apointlying sub?, l Y' 'Y I sta'ntiallyY inthe axis ofthepresser roll and 1 which isconvex longitudinally-of'said' roll,

j a presser roll havinga vperipherywhich'is Vconcave longitudinallytocorrespond to the jconvex longitudinalcurvature of the feed roll, saidpresser `roll being Alarger at one Y 4end than at the'other, meansvwherebyjthe which is convex longitudinally of the roll,;

presserroll may be Vadjusted angularly about aV point within the 'rollaty the larger end which the spindle of the presser'roll is'rotatablymountecL` Va segmental raclrrigidwj `with,the sleeve, and apinionforfrnovingf thereof, fsaid means-including a; sleeve in.;`V

the rack and meansfor drivingthe presser presser' roll beinglarger atone enc'l tha11', at

the other, means wherebyjthe presser ro11 Y may be adjusted angularlytovary the angle of the scarfpro'duced, and YYmeans including 4a belt fordriving the. presser roll from'the knife shaft.

ing, [in combination, .a rotary cylindrical knife, fa'rotary feedrollthe diameter of Y one end*r ofgreater` diameter -thanthe other,y j the'end of greater diameter being* located adjacent the portionofgreatestdiameter of thefeed roll," means for positively driving thepresser roll, and means whereby the presser roll may be adjustedangularly about a pointlying substantially in its aXis of @10o Ymechanism operative.A

In testimonyv 'whereof I name to this specification.

rotation while maintaining the Vdriving have signed my EUGENE@ RAY;

